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SACRAMENTO - July and August are generally referred to as the "Dog Days of Summer."

The Old Farmer's Almanac defines the "Dog Days" as the 40 days between July 3 to Aug. 11. The phase is derived from the star Sirius. Sirius, or the Dog Star, is the brightest star in the constellation Canus Major, or Large Dog.

These are the days with the least amount of rainfall in the Northern Hemisphere.That is also the time period when the Central Valley sees temperatures at or just under 100 degrees.

During the "Dog Days" this year, Sacramento's average high was under 100 degrees.

For downtown Sacramento, the average maximum temperature in August is 92.5 degrees. So far this year, we are one degree cooler than average at 91.5 degrees.

During the month of August, Sacramento gets on average six days of triple-digit temperatures. On Aug. 4, the mercury hit 107 -- it has been the only triple-digit day of the month so far.

Temperatures climbed to the century mark 10 times in July. The average number of days with temperatures at or above 100 degrees in July is seven. The hottest day was July 14 with a high temperature of 106.

June had four days of triple-digit heat. The average number of triple-digits temperatures during the summer is 21 days.

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